Table 2.
Analysis of covariance (ANCOVA) or Quade’s non-parametric ANCOVA on neurocognitive measures controlling for depression and/or anxiety.
| Covariate | Dependent variable | SS | df | MS | F | p | η 2 |
|---|---|---|---|---|---|---|---|
| Depression | WCST perseveration | 291.33 | 1 | 291.33 | 4.31* | 0.04 | 0.08 |
| K-WAIS digit span forward | 10.01 | 1 | 10.01 | 3.44 | 0.07 | 0.06 | |
| STROOP color/non-word error | 699.02 | 1 | 699.02 | 5.26* | 0.03 | 0.09 | |
| Color/word mismatch error | 586.28 | 1 | 586.28 | 3.30 | 0.08 | 0.06 | |
| Anxiety | WCST perseveration | 274.11 | 1 | 276.14 | 4.08* | 0.05 | 0.07 |
| K-WAIS digit span forward | 12.77 | 1 | 12.77 | 4.39* | 0.04 | 0.08 | |
| STROOP color/non-word error | 734.16 | 1 | 734.16 | 5.56* | 0.02 | 0.10 | |
| Color/word mismatch error | 562.88 | 1 | 562.88 | 3.19 | 0.08 | 0.06 | |
| Depression + Anxiety | WCST perseveration | 274.11 | 1 | 274.11 | 3.98* | 0.05 | 0.07 |
| K-WAIS digit span forward | 10.14 | 1 | 10.14 | 3.42 | 0.07 | 0.06 | |
| STROOP color/non-word error | 673.20 | 1 | 673.20 | 5.07* | 0.03 | 0.09 | |
| Color/word mismatch error | 537.75 | 1 | 537.75 | 3.04 | 0.09 | 0.06 |
*p < 0.05, K-WAIS, Korean-Wechsler Intelligence Scale; WCST, Wisconsin Card Sorting Test.